(1) Forces and movement Flashcards
1
Q
An object will not accelerate unless…?
A
There is an unbalanced force acting on it.
2
Q
What does the acceleration of an object depend on?
A
The size of the unbalanced force and the mass of the object.
3
Q
What is proportional to force?
A
Acceleration
4
Q
What is inversely proportional to acceleration?
A
Mass
5
Q
What is the formula for force?
A
Force= Mass x Acceleration
6
Q
What is weight?
A
The force acting on an object due to gravity.
7
Q
What is the formula for weight?
A
Weight= Mass x Gravitational field strength
8
Q
What is drag?
A
A force that opposes the movement of an object moving through a fluid.
9
Q
What affects drag?
A
The shape and speed of an object.
